<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
	</head>
	<body>
	</body>
	<script>
		(function(window, document, undefined) {
			var hearts = [];
			window.requestAnimationFrame = (function() {
				return window.requestAnimationFrame ||
					window.webkitRequestAnimationFrame ||
					window.mozRequestAnimationFrame ||
					window.oRequestAnimationFrame ||
					window.msRequestAnimationFrame ||
					function(callback) {
						setTimeout(callback, 1000 / 60);
					}
			})();
			init();

			function init() {
				css(
				".heart{width: 10px;height: 10px;position: fixed;background: #f00;transform: rotate(45deg);-webkit-transform: rotate(45deg);-moz-transform: rotate(45deg);}.heart:after,.heart:before{content: '';width: inherit;height: inherit;background: inherit;border-radius: 50%;-webkit-border-radius: 50%;-moz-border-radius: 50%;position: absolute;}.heart:after{top: -5px;}.heart:before{left: -5px;}");
				attachEvent();
				gameloop();
			}

			function gameloop() {
				for (var i = 0; i < hearts.length; i++) {
					if (hearts[i].alpha <= 0) {
						document.body.removeChild(hearts[i].el);
						hearts.splice(i, 1);
						continue;
					}
					hearts[i].y--;
					hearts[i].scale += 0.004;
					hearts[i].alpha -= 0.013;
					hearts[i].el.style.cssText = "left:" + hearts[i].x + "px;top:" + hearts[i].y + "px;opacity:" + hearts[
							i].alpha + ";transform:scale(" + hearts[i].scale + "," + hearts[i].scale +
						") rotate(45deg);background:" + hearts[i].color;
				}
				requestAnimationFrame(gameloop);
			}

			function attachEvent() {
				var old = typeof window.οnclick === "function" && window.onclick;
				window.onclick = function(event) {
					old && old();
					createHeart(event);
				}
			}

			function createHeart(event) {
				var d = document.createElement("div");
				d.className = "heart";
				hearts.push({
					el: d,
					x: event.clientX - 5,
					y: event.clientY - 5,
					scale: 1,
					alpha: 1,
					color: randomColor()
				});
				document.body.appendChild(d);
			}

			function css(css) {
				var style = document.createElement("style");
				style.type = "text/css";
				try {
					style.appendChild(document.createTextNode(css));
				} catch (ex) {
					style.styleSheet.cssText = css;
				}
				document.getElementsByTagName('head')[0].appendChild(style);
			}

			function randomColor() {
				return "rgb(" + (~~(Math.random() * 255)) + "," + (~~(Math.random() * 255)) + "," + (~~(Math.random() *
					255)) + ")";
			}
		})(window, document);
	</script>

</html>
